Relaying by http proxy is not a very good idea, as it can leave you open to spammers using your system. If you are running an older version of apache this is the first thing that will happen after a compromise.
It is possible to restrict your proxy access via the allow/deny statements:

Hi, in this article I'm going to teach you how to run your own site, and how to let people in (without IP).
I'll talk about and explain each step... :)
By the way, everything in this Tutorial is completely free and legal. This article is for …

If you've heard about htaccess and it sounds like it does what you want, but you're not sure how it works... well, you're in the right place. Read on.
Some Basics
#1. It's a file and its filename is .htaccess (yes, with a dot in the front).
#…

In this video we outline the Physical Segments view of NetCrunch network monitor. By following this brief how-to video, you will be able to learn how NetCrunch visualizes your network, how granular is the information collected, as well as where to f…

Do you want to know how to make a graph with Microsoft Access? First, create a query with the data for the chart. Then make a blank form and add a chart control. This video also shows how to change what data is displayed on the graph as well as form…